21.   He underwent a quintuple heart bypass operation in November.

22.   His latest bout of illness came only two months after he underwent a quintuple heart bypass operation.

23.   His readmission to hospital came only two months after he underwent a quintuple heart bypass operation.

24.   His readmission to hospital came just two months after he underwent a quintuple heart bypass operation.

25.   In November, he underwent a successful quintuple heart bypass operation but later came down with double pneumonia in January.

26.   In November he underwent a quintuple heart bypass operation and last month contracted double pneumonia.

27.   The Russian leader was admitted to the Central Clinical Hospital just two months after undergoing a quintuple heart bypass operation.

28.   The Russian leader has been largely absent from the public eye for the past seven months, and underwent a quintuple heart bypass operation in November.

29.   Two months earlier he underwent a quintuple heart bypass operation.

30.   Yeltsin contracted double pneumonia in January following a quintuple heart by-pass operation in November.